
Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. It is recommended that when links are opened to a new window, there is advance warning. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. In this case opening external links in an external window allows the user to access such references while keeping their login active in the original window. The user is logged into a secured area of a site, and following a link to a page outside of the secured area would terminate the user's logon. Opening a page containing context-sensitive information, such as help instructions, or an alternate means of completing a form, such as a calendar-based date picker, will significantly disrupt a multi-step workflow, such as filling in and submitting a form, if the page is opened in the same window or tab. However there are some situations where it is preferable from an accessibility perspective to open a new window or tab.

In general, it is better not to open new windows and tabs since they can be disorienting for people, especially people who have difficulty perceiving visual content.

The objective of this technique is to limit the use of links or buttons that open new windows or tabs within Web content.
